Support ink scrolling final pr (#12567)

packages/cli/src/ui/components/messages/ToolMessageRawMarkdown.test.tsx

@@ -23,20 +23,52 @@ describe('<ToolMessage /> - Raw Markdown Display Snapshots', () => {
   };
 
   it.each([
-    { renderMarkdown: true, description: '(default)' },
+    {
+      renderMarkdown: true,
+      useAlternateBuffer: false,
+      description: '(default, regular buffer)',
+    },
+    {
+      renderMarkdown: true,
+      useAlternateBuffer: true,
+      description: '(default, alternate buffer)',
+    },
     {
       renderMarkdown: false,
-      description: '(raw markdown with syntax highlighting, no line numbers)',
+      useAlternateBuffer: false,
+      description: '(raw markdown, regular buffer)',
+    },
+    {
+      renderMarkdown: false,
+      useAlternateBuffer: true,
+      description: '(raw markdown, alternate buffer)',
+    },
+    // Test cases where height constraint affects rendering in regular buffer but not alternate
+    {
+      renderMarkdown: true,
+      useAlternateBuffer: false,
+      availableTerminalHeight: 10,
+      description: '(constrained height, regular buffer -> forces raw)',
+    },
+    {
+      renderMarkdown: true,
+      useAlternateBuffer: true,
+      availableTerminalHeight: 10,
+      description: '(constrained height, alternate buffer -> keeps markdown)',
     },
   ])(
-    'renders with renderMarkdown=$renderMarkdown $description',
-    ({ renderMarkdown }) => {
+    'renders with renderMarkdown=$renderMarkdown, useAlternateBuffer=$useAlternateBuffer $description',
+    ({ renderMarkdown, useAlternateBuffer, availableTerminalHeight }) => {
       const { lastFrame } = renderWithProviders(
         <StreamingContext.Provider value={StreamingState.Idle}>
-          <ToolMessage {...baseProps} />
+          <ToolMessage
+            {...baseProps}
+            availableTerminalHeight={availableTerminalHeight}
+          />
         </StreamingContext.Provider>,
         {
           uiState: { renderMarkdown, streamingState: StreamingState.Idle },
+          useAlternateBuffer,
         },
       );
       expect(lastFrame()).toMatchSnapshot();